Bonding base for orthodontic appliance



FIG. 1 is a bottom, front, left side perspective view of a bonding base for an orthodontic appliance showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof, the left side being a mirror image;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a bottom, rear, left side perspective view thereof.

The broken line drawing of an orthodontic appliance is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a bonding base for orthodontic appliance, as shown and described. 